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I'm becoming concerned about my iMac and Mountain Lion

938 Views 37 Replies Latest reply: Dec 20, 2012 2:32 PM by babowa RSS
  • SteveKir Level 3 Level 3 (545 points)

    John Galt is correct about OS extensions and lots of applications and utilities from various sources. Afte huge (I mean HUGE) problems with my iMac (2011), the Apple Centre thought that corruprion had occurred randomyl, and that the several (not very many) apps and itilities that I ran had contributed. An erase and installation of Mountain Lion has helped (but I still get mouse problems).

     

    I am now very careful indeed about running an application or utility downloaded from somewhere unknown, and I especially avoid OS extensions except from thoroughly reliable sources. (SnapZPro is the only extension that I have.)

  • babowa Level 7 Level 7 (22,060 points)

    You've gotten great suggestions from the others; doing some "housecleaning" may take care of the problem; if still necessary, adding RAM will also help.

  • John Galt Level 7 Level 7 (33,065 points)

    Gr8fulted wrote:

     

    ... I live in a small community and the RAM I am adding is slightly less than the 1333MHz Apple states I should use. The computer guy says it will still work in my iMac and I shouldn't really notice any appreciable speed from the 1333MHz.

     

    Ah, no.

     

    Use only the correct RAM for your computer. Faster is not correct. Slower is not correct. Your computer guy is guaranteeing himself a return visit with such astonishingly bad advice.

     

    Purchase RAM from a reliable vendor. OWC a/k/a MacSales and Crucial are two reliable vendors.

  • AnaMusic Level 9 Level 9 (55,130 points)

    Gr8fulted wrote:

     

    ... I live in a small community and the RAM I am adding is slightly less than the 1333MHz Apple states I should use. The computer guy says it will still work in my iMac ...

     

    Not true...

     

    You can use this Link to check which RAM is suitable for your Mac...

     

    http://eshop.macsales.com/shop/apple/memory/

     

     

    It is Important to get the Correct and Matching RAM

     

    For best performance, fill all memory slots, installing an equal memory module in each slot.

     

    That site also has videos on how to Install RAM should you need it...

     


  • AnaMusic Level 9 Level 9 (55,130 points)

    No harm as such... But... Apples recommendation is...

     

    For best performance, fill all memory slots, installing an equal memory module in each slot.

  • babowa Level 7 Level 7 (22,060 points)

    I've been running my iMacs for about 2 years with 2 x 2 GB in two slots and 2 x 4 GB in the other two = total of 12 GB. Make sure yours looks like this once installed - matching the RAM horizontally (in other words, just leave the 2 x 2 you have where they are at and install the other two in the two empty slots):

     

    Screen Shot 2012-12-20 at 2.32.04 PM.png

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